Function:
GetWindowTextLength(HWNDhWnd)
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Description:
Retrieves the length, in characters,
of the specified window’s title bar text (if the window has a title
bar).
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Parameters:
hWnd: Identifies the window or control containing the text.
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Returns:
If the function succeeds, the return
value is the length, in characters, of the text.
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Example: 
Click on the calc icon to view a sample of the GetWindowTextLength
function.
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